﻿using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Security.Principal;
using System.Web;
using System.Web.Security;

namespace FAfx.BootstrapWizard.Providers
{
    public class FAfxMembershipProvider : MembershipProvider
    {
#region not used

        public override string ApplicationName
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }

        public override bool ChangePassword(string username, string oldPassword, string newPassword)
        {
            throw new NotImplementedException();
        }

        public override bool ChangePasswordQuestionAndAnswer(string username, string password, string newPasswordQuestion, string newPasswordAnswer)
        {
            throw new NotImplementedException();
        }

        public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status)
        {
            throw new NotImplementedException();
        }

        public override bool DeleteUser(string username, bool deleteAllRelatedData)
        {
            throw new NotImplementedException();
        }

        public override bool EnablePasswordReset
        {
            get { throw new NotImplementedException(); }
        }

        public override bool EnablePasswordRetrieval
        {
            get { throw new NotImplementedException(); }
        }

        public override MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }
        
        public override int GetNumberOfUsersOnline()
        {
            throw new NotImplementedException();
        }

        public override string GetPassword(string username, string answer)
        {
            throw new NotImplementedException();
        }        

        public override MembershipUser GetUser(object providerUserKey, bool userIsOnline)
        {
            throw new NotImplementedException();
        }

        public override string GetUserNameByEmail(string email)
        {
            throw new NotImplementedException();
        }

        public override int MaxInvalidPasswordAttempts
        {
            get { throw new NotImplementedException(); }
        }

        public override int MinRequiredNonAlphanumericCharacters
        {
            get { throw new NotImplementedException(); }
        }

        public override int MinRequiredPasswordLength
        {
            get { throw new NotImplementedException(); }
        }

        public override int PasswordAttemptWindow
        {
            get { throw new NotImplementedException(); }
        }

        public override MembershipPasswordFormat PasswordFormat
        {
            get { throw new NotImplementedException(); }
        }

        public override string PasswordStrengthRegularExpression
        {
            get { throw new NotImplementedException(); }
        }

        public override bool RequiresQuestionAndAnswer
        {
            get { throw new NotImplementedException(); }
        }

        public override bool RequiresUniqueEmail
        {
            get { throw new NotImplementedException(); }
        }

        public override string ResetPassword(string username, string answer)
        {
            throw new NotImplementedException();
        }

        public override bool UnlockUser(string userName)
        {
            throw new NotImplementedException();
        }

        public override void UpdateUser(MembershipUser user)
        {
            throw new NotImplementedException();
        }
#endregion

        private static IEnumerable<DictionaryEntry> _membershipUsers = (ConfigurationManager.GetSection("fafx.membershipUsers") as Hashtable).Cast<DictionaryEntry>();

        public override MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords)
        {
            var mUsers = (
                from user in _membershipUsers
                select new MembershipUser(
                    providerName: "FAfxMembershipProvider",
                    name: user.Key as string,
                    providerUserKey: null,
                    email: null,
                    passwordQuestion: null,
                    comment: null,
                    isApproved: true,
                    isLockedOut: false,
                    creationDate: DateTime.MinValue,
                    lastLoginDate: DateTime.MinValue,
                    lastActivityDate: DateTime.MinValue,
                    lastPasswordChangedDate: DateTime.MinValue,
                    lastLockoutDate: DateTime.MinValue)
                    ).Skip(pageIndex * pageSize).Take(pageSize);
            totalRecords = _membershipUsers.Count();

            var result = new MembershipUserCollection();
            mUsers.ToList().ForEach(mu => result.Add(mu));
            return result;
        }

        public override MembershipUser GetUser(string username, bool userIsOnline)
        {
            var result = (
                from user in _membershipUsers
                where (string)user.Key == username
                select new MembershipUser(
                    providerName: "FAfxMembershipProvider",
                    name: user.Key as string,
                    providerUserKey: null,
                    email: null,
                    passwordQuestion: null,
                    comment: null,
                    isApproved: true,
                    isLockedOut: false,
                    creationDate: DateTime.MinValue,
                    lastLoginDate: DateTime.MinValue,
                    lastActivityDate: DateTime.MinValue,
                    lastPasswordChangedDate: DateTime.MinValue,
                    lastLockoutDate: DateTime.MinValue)
                    ).First();
            return result;
        }

        public override bool ValidateUser(string username, string password)
        {
            var result = (
                from user in _membershipUsers
                where (string)user.Key == username
                && (string)user.Value == password
                select user
                );
            return result.Count() > 0;
        }

    }
}